import java.util.Scanner;

public class Test6 {
    public static void main(String[] args) {
        //定义num变量
        int num;
        Scanner scanner = new Scanner(System.in);
        num = scanner.nextInt();
        //定义一个boolean变量flage判断条件
        boolean flage = num>=4 && num<=6 ? true : false;
        System.out.println("flage = " + flage);
    }
}
